Activity – Factors & HCF

Instructions

Step 1: Click on the dropdown arrow at the top and choose the number 6.

Step 2: Pull the top slider to the right to see all the factors of 6.

Step 3: Click on the next dropdown arrow below and choose the number 8.

Step 4: Also pull the  slider to the right to see all the factors of 8.

Step 5: Check the box below for “Common Factors”.

Step 6: Repeat the activity for all the pairs of numbers below and answer the questions.

6 and 8 = ?

9 and 27 = ?

10 and 25 = ?

18 and 42 = ?

28 and 63 = ?

45 and 60 = ?

24 and 72 = ?

48 and 80 = ?

17 and 85 = ?

19 and 90 = ?